Checkline TI-CMX - Manual (Page 13)

MATL 2PT: Performs a two-point calibration. This option allows the user to automati-
cally calculate the velocity by entering a second known sample thickness. Refer to
section 6.3 for further info.
VELOCITY: Function is to calibrate the TI-CMX by setting the velocity to a known
material velocity. Refer to section 6.3 for further info.
COATING 1PT: Performs a single point coating calibration. This option allows the user
to automatically calculate the velocity by measuring a known coating sample thickness.
Refer to section 9.5 for further info.
COATING 2PT: Performs a two-point coating calibration. This option allows the user
to automatically calculate the velocity by entering a second known coating sample thick-
ness. Refer to section 9.5 for further info.
COATING VEL: Function to calibrate the TI-CMX to a specific coating material type
by entering a coating velocity. Refer to section 9.3 for further info.
3.4 DISP (display) – Menu
VIEW: Selectable B-SCAN (cross section), and DIGITS (large
digits) views. Refer to section 7.1 for further info.
B-START: Provides the user the ability to change the start posi-
tion of the B-SCAN view. Refer to section 7.3 for further info.
B-DEPTH: Provides the user the ability to change the overall
depth of the viewable measurement area. It functions a lot like a
zoom on a camera. Refer to section 7.3 for further info.
UNITS: Toggle between English or Metric units. The readout
will change from inches to millimeters.
BACKLIGHT: Selectable OFF, ON, AUTO, or INVERT backlight option.
CONTRAST: Adjustable display contrast for variable light conditions.
3.5 TUNE – Menu
MEASURE MODE: Toggles a variety of unique measure-
ment modes for different application requirements. Refer to
section 11.2 for further info.
GAIN: A 5 position gain switch in 2 db increments from 40
to 50 dB. Increase for better penetration or punch, and
decrease to eliminate unwanted noise or better resolution.
Refer to section 11.2 for further info.
3.6 SETUP – Menu
OPEN: Displays a list of factory and user defined setups cur-
rently stored in memory. These setups can be recalled and
used at any time. Refer to section 11.2 for further info.
SAVE: Provides the user with the ability to save a custom
setup that has been modified or created by the user. Refer to
section 11.2 for further info.
DELETE: Provides the user with the ability to delete specific setups previously save in
memory. Refer to section 11.2 for further info.
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Setting the Alarm Low Limit
1. Assuming the ALARM is ON, use the UP and DOWN arrow
keys to scroll through the sub menu items until ALARM LOW
is highlighted.
2. Press the LEFT and RIGHT arrow keys to scroll the value.
When the correct alarm value is being displayed, proceed to
step 7.
3. Alternatively, press the ENTER key to display the Digits Edit
Box.
4. Press the UP and DOWN arrow keys to scroll the highlighted
value.
5. Press the LEFT and RIGHT arrow keys to scroll the digit
locations.
6. Repeat steps 4 & 5 until the ALARM LOW value is correctly
displayed.
7. If only one limit will be used, press the MEAS key to return to
the measurement screen and begin taking readings. Otherwise,
continue on to set the ALARM HIGH limit.
10.3 Differential Mode
The Differential Mode of the TI-CMX provides the user with the ability to set a nominal
value, according to what the expected thickness should be, and measure the +/- differ-
ence from the nominal value entered. This feature is typically used in QA incoming
inspections on pipes, plate stock, coils, etc. The steps below outline how to enable and
enter the nominal value to use this feature:
Toggle Differential (on/off)
1. Press the MENU key once to activate the menu items tab.
Press the MENU key multiple times to tab right, and the
ESC key multiple times to tab left, until the UTIL menu is
highlighted and displaying the submenu items.
2. Use the UP and DOWN arrow keys to scroll through the
sub menu items until DIFFERENTIAL is highlighted.
3. Use the LEFT and RIGHT arrow keys to toggle the
DIFFERENTIAL on. A value will appear to the right of
DIFFERENTIAL.
4. Continue on to the next section “Setting the Differential Value”.
Setting the Differential Value
1. Assuming DIFFERENTIAL has been enabled and a value is
being displayed to the right of the DIFFERENTIAL label,
press the ENTER key to display the Digits Edit Box.
2. Press the UP and DOWN arrow keys to scroll the highlighted
value.
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